Re: Is Dynamic WEP Secure Enough?

In a word, "NO"

You can use tools like Airsnort to capture packets and make a very 
educated guess at the encryption key.

Jon Smith wrote:
> Hi
> I am responsible for a large wireless infrastructure upgrade.  Right now 
> my plan is use PEAP w MSCHAP v2 with dynamic WEP crypto for my corporate 
> SSID (I have others with much lower security requirements).  I cannot 
> easily go to WPA without ditching all my current devices that do not 
> support it (good luck getting that past the CFO).  We have a lot of 
> physical security and surveillance with very tight controls, my primary 
> area of concern would be people like myself sitting in the parking lot.  
> Due to one of our applications, we will be sending a clear strong signal 
> to the parking lot.  Is this enough security and encryption to 
> significantly slow intrusion attempts?  Between direction finding 
> capabilities of the Access Points and our roaming guards it would be a 
> matter of time before we detected them.
>
> Thanks
>
> Rocko
>
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